Home / 865,811.70-1,194,816.69-483,838.38

Finding the Fourth Proportional to 865,811.70, 1,194,816.69 and 483,838.38

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Solution

The fourth proportional to 865,811.70, 1,194,816.69 and 483,838.38 is: 667,695.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,811.70 : 1,194,816.69 = 483,838.38 : x
  2. Step 2: Convert to fraction form
    865,811.70/1,194,816.69 = 483,838.38/x
  3. Step 3: Cross multiply
    865,811.70x = 1,194,816.69 × 483,838.38
  4. Step 4: Simplify right side
    865,811.70x = 578,098,171,686.56
  5. Step 5: Solve for x
    x = 578,098,171,686.56/865,811.70
  6. Step 6: Final answer
    x = 667,695.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.